Related illustrations

1352

Heat recovery ventilators (basic components)

· p. 243

A schematic house contains a heat recovery ventilator connected to outdoor and indoor air ducts. Arrows show cold, dry outside air entering the unit and being delivered indoors as warmed, dry air, while stale, humid hous

1323

Heat recovery ventilator

· p. 236

The illustration shows a heat recovery ventilator with two blowers, a heat exchanger, controls, and ducts passing through an exterior wall. Colored arrows trace cool fresh outdoor air through the exchanger to become warm

0810

Pulse furnace heat exchanger components

· p. 134

The illustration shows the heat exchanger assembly of a pulse-type condensing gas furnace. A finned combustion chamber connects to a looping tail pipe, with gas and air intakes, a flame sensor, and a spark plug identifie